The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
vs 191g (the average)
vs 3g (best: AKG IP2)
3.Has an on-ear form
vs No (78% don't have it)
This device comfortably rests on top of your outer ears. As it doesn't block out everything from the outside world, it's preferred in places like office environments and recommended for outdoor activities.